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R-on-t phenomenon

Definition

noun

In electrocardiographic tracing, it is the superimposition of an ectopic beat on the T wave of a preceding beat, or simply, R waves interrupting T waves.


Supplement

In patients, it manifests as premature ventricular beat occurring in early diastole, and in most cases, it leads to serious ventricular arrhythmia or ventricular fibrillation.


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Paramutation

It is going to be non-coding RNAs (ncRNAs) that will be the epigenetic phenomenon to observe in most instances. Here is a great review article to read: http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pubmed&pubmedid=19390609

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by kolean
Fri Aug 21, 2009 3:22 am
 
Forum: Molecular Biology
Topic: Paramutation
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Mon Aug 17, 2009 12:12 am
 
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Topic: Pitfalls of Evolutionary Psychology: Exaptation
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... test to see if that was the object of their allergy? Were you treated by a physician and given a test to confirm the diagnoses? or is it just a phenomenon that you observed yourself?

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by kolean
Sat Aug 15, 2009 1:28 pm
 
Forum: Human Biology
Topic: Sugar Allergy
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by MrMistery
Sun Aug 02, 2009 11:27 pm
 
Forum: General Discussion
Topic: Two questions about operon (transcription/translation)
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Re: Diversifying selection

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by AFJ
Fri Jul 10, 2009 2:15 am
 
Forum: Evolution
Topic: Diversifying selection
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